package com.shop.common.exception;

import com.shop.common.utils.R;
import org.apache.shiro.authz.AuthorizationException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import javax.validation.ConstraintViolation;
import javax.validation.ConstraintViolationException;
import java.util.Set;

/**
 * 异常处理器
 */
@RestControllerAdvice
public class RRExceptionHandler {
    private Logger logger = LoggerFactory.getLogger(getClass());

    /**
     * 自定义异常
     */
    @ExceptionHandler(RRException.class)
    public R handleRRException(RRException e) {
        R r = new R();
        r.put("code", e.getCode());
        r.put("msg", e.getMessage());

        return r;
    }

    @ExceptionHandler(DuplicateKeyException.class)
    public R handleDuplicateKeyException(DuplicateKeyException e) {
        logger.error(e.getMessage(), e);
        return R.error("数据库中已存在该记录");
    }

    @ExceptionHandler(AuthorizationException.class)
    public R handleAuthorizationException(AuthorizationException e) {
        logger.error(e.getMessage(), e);
        return R.error("没有权限，请联系管理员授权");
    }

    @ExceptionHandler(ConstraintViolationException.class)
    public R validationException(ConstraintViolationException e) {
        logger.error(e.getMessage(), e);
        Set<ConstraintViolation<?>> constraintViolations = e.getConstraintViolations();
        ConstraintViolation<?> next = constraintViolations.iterator().next();
        return R.error(next.getMessage());
    }

    @ExceptionHandler(Exception.class)
    public R handleException(Exception e) {
        logger.error(e.getMessage(), e);
        return R.error();
    }

}
